1 ; RUN: not --crash llc < %s -wasm-enable-eh -enable-emscripten-sjlj -exception-model=wasm 2>&1 | FileCheck %s
3 target triple = "wasm32-unknown-unknown"
5 %struct.__jmp_buf_tag = type { [6 x i32], i32, [32 x i32] }
7 define void @wasm_eh_emscripten_sjlj_error() personality ptr @__gxx_wasm_personality_v0 {
9 %buf = alloca [1 x %struct.__jmp_buf_tag], align 16
10 %call = call i32 @setjmp(ptr %buf) #0
15 to label %try.cont unwind label %catch.dispatch
17 catch.dispatch: ; preds = %entry
18 %0 = catchswitch within none [label %catch.start] unwind to caller
20 catch.start: ; preds = %catch.dispatch
21 %1 = catchpad within %0 [ptr null]
22 %2 = call ptr @llvm.wasm.get.exception(token %1)
23 %3 = call i32 @llvm.wasm.get.ehselector(token %1)
24 %4 = call ptr @__cxa_begin_catch(ptr %2) #2 [ "funclet"(token %1) ]
25 call void @__cxa_end_catch() [ "funclet"(token %1) ]
26 catchret from %1 to label %try.cont
28 try.cont: ; preds = %entry, %catch.start
33 declare i32 @__gxx_wasm_personality_v0(...)
34 ; Function Attrs: nounwind
35 declare ptr @llvm.wasm.get.exception(token) #0
36 ; Function Attrs: nounwind
37 declare i32 @llvm.wasm.get.ehselector(token) #0
38 declare ptr @__cxa_begin_catch(ptr)
39 declare void @__cxa_end_catch()
40 ; Function Attrs: returns_twice
41 declare i32 @setjmp(ptr) #0
42 ; Function Attrs: noreturn
43 declare void @longjmp(ptr, i32) #1
44 declare ptr @malloc(i32)
45 declare void @free(ptr)
47 attributes #0 = { returns_twice }
48 attributes #1 = { noreturn }
49 attributes #2 = { nounwind }
51 ; CHECK: LLVM ERROR: In function wasm_eh_emscripten_sjlj_error: When using Wasm EH with Emscripten SjLj, there is a restriction that `setjmp` function call and exception cannot be used within the same function
52 ; CHECK-NEXT: invoke void @foo()
53 ; CHECK-NEXT: to label %try.cont unwind label %catch.dispatch